<template>
	<view>
		<view class="cart-container" v-if="cart.length !== 0">
			<!-- 收货地址组件 -->
			<my-address></my-address>
			<!-- 购物车商品列表标题区域 -->
			<view class="cart-title">
				<!-- 购物车图标 -->
				<uni-icons type="shop" size="18"></uni-icons>
				<!-- 标题文本 -->
				<text class="cart-title-text">购物车</text>
			</view>
			<!-- 商品列表区域 -->
			<uni-swipe-action>
				<block v-for="(goods, i) in cart" :key="i">
					<uni-swipe-action-item :right-options="options" @click="swiperActionClickHandler(goods)">
						<my-goods :goods="goods" :showRadio="true" :showNum="true" @radio-change="radioChangeHandler"
							@num-change="numberChangeHandler"></my-goods>
					</uni-swipe-action-item>
				</block>
			</uni-swipe-action>
			
			<!-- 自定义结算组件 -->
			<my-settle></my-settle>
		
		</view>
		
		<view class="empty-cart" v-else>
			<image src="../../static/cart_empty@2x.png" class="empty-img"></image>
			<text class="tip-text">购物车空空如也</text>
		</view>
	</view>
</template>

<script>
	import badgeMix from '@/mixins/tabbar-badge.js'
	// 按需从vuew导入mapState方法，用于导入购物车信息
	import {
		mapState,
		mapMutations
	} from 'vuex'
	export default {
		mixins: [badgeMix],
		computed: {
			...mapState('m_cart', ['cart'])
		},
		data() {
			return {
				options: [{
					text: '删除',
					style: {
						backgroundColor: '#c00000'
					},
				}],

			};
		},
		methods: {
			...mapMutations('m_cart', ['updataGoodsState', 'updataGoodsCount','removeGoodsById']),
			// 自定义选中状态改变函数
			radioChangeHandler(e) {
				console.log(e)
				this.updataGoodsState(e)
			},
			// 商品数量变化处理函数
			numberChangeHandler(e) {
				console.log(e)
				this.updataGoodsCount(e)
			},
			// 商品删除的处理函数
			swiperActionClickHandler(goods) {
				console.log(goods)
				this.removeGoodsById(goods.goods_id)
			}
		}
	}
</script>

<style lang="scss">
	.cart-container{
		padding-bottom: 50px;
	}
	.cart-title {
		height: 40px;
		display: flex;
		align-items: center;
		padding-left: 5px;
		border-bottom: 2rpx solid #efefef;

		.cart-title-text {
			font-size: 14px;
			margin-left: 10px;
		}
	}
	.empty-cart{
		display: flex;
		flex-direction: column;
		align-items: center;
		margin-top: 150px;
		.empty-img{
			width: 90px;
			height: 90px;
		}
		.tip-text{
			font-size: 12px;
			color: gray;
			margin-top: 15px;
		}
	}
</style>
